SEAT Heat Index Calculator

The combined effects of humidity and temperature can pose serious health risks.

Heat Index Danger Level Symptoms
Above 130 Life threatening Heatstroke possible with only brief activity
105 - 130 Extreme danger Heat cramps, exhaustion, headaches after brief activity
90 - 105 Danger Heat cramps, exhaustion, headaches after prolonged activity
80 - 90 Caution Exercise causes fatigue more rapidly

Heat index calculator

Get the current conditions for Virginia Beach
NOTE: Opens New Window.
Then enter the values below:
Temperature (70°F - 140°F) Relative Humidity (0 - 100%) Heat Index (°F)

Information from NOAA

Credits: Javascript by Pat Barling from a Perl script by Tim Brice of the National Weather Service, El Paso.


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